Search (15 results, page 1 of 1)

  • × theme_ss:"Suchmaschinen"
  • × type_ss:"a"
  • × year_i:[2020 TO 2030}
  1. Haring, M.; Rudaev, A.; Lewandowski, D.: Google & Co. : wie die "Search Studies" an der HAW Hamburg unserem Nutzungsverhalten auf den Zahn fühlen: Blickpunkt angewandte Forschung (2022) 0.03 
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    Abstract
    Die Forschungsgruppe Search Studies forscht an der HAW Hamburg zur Nutzung kommerzieller Suchmaschinen, zur Suchmaschinenoptimierung und zum Relevance Assessment von Suchmaschinen. Der Leiter der Forschungsgruppe, Prof. Dr. Dirk Lewandowski, stand für ein Interview zu seiner Tätigkeit und der seines Teams, sowie seiner Lehre an der HAW Hamburg zur Verfügung. Sollten wir Informationen aus dem Internet vertrauen oder ist Vorsicht angebracht?
    Theme
    Ausbildung
  2. Christensen, A.: Wissenschaftliche Literatur entdecken : was bibliothekarische Discovery-Systeme von der Konkurrenz lernen und was sie ihr zeigen können (2022) 0.01 
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    Abstract
    In den letzten Jahren ist das Angebot an Academic Search Engines für die Recherche nach Fachliteratur zu allen Wissenschaftsgebieten stark angewachsen und ergänzt die beliebten kommerziellen Angebote wie Web of Science oder Scopus. Der Artikel zeigt die wesentlichen Unterschiede zwischen bibliothekarischen Discovery-Systemen und Academic Search Engines wie Base, Dimensions oder Open Alex auf und diskutiert Möglichkeiten, wie beide von einander profitieren können. Diese Entwicklungsperspektiven betreffen Aspekte wie die Kontextualisierung von Wissen, die Datenmodellierung, die automatischen Datenanreicherung sowie den Zuschnitt von Suchräumen.
  3. Lewandowski, D.: Suchmaschinen (2023) 0.01 
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    Abstract
    Eine Suchmaschine (auch: Web-Suchmaschine, Universalsuchmaschine) ist ein Computersystem, das Inhalte aus dem World Wide Web (WWW) mittels Crawling erfasst und über eine Benutzerschnittstelle durchsuchbar macht, wobei die Ergebnisse in einer nach systemseitig angenommener Relevanz geordneten Darstellung aufgeführt werden. Dies bedeutet, dass Suchmaschinen im Gegensatz zu anderen Informationssystemen nicht auf einem klar abgegrenzten Datenbestand aufbauen, sondern diesen aus den verstreut vorliegenden Dokumenten des WWW zusammenstellen. Dieser Datenbestand wird über eine Benutzerschnittstelle zugänglich gemacht, die so gestaltet ist, dass die Suchmaschine von Laien problemlos genutzt werden kann. Die zu einer Suchanfrage ausgegebenen Treffer werden so sortiert, dass den Nutzenden die aus Systemsicht relevantesten Dokumente zuerst angezeigt werden. Dabei handelt es sich um komplexe Bewertungsverfahren, denen zahlreiche Annahmen über die Relevanz von Dokumenten in Bezug auf Suchanfragen zugrunde liegen.
    Source
    Grundlagen der Informationswissenschaft. Hrsg.: Rainer Kuhlen, Dirk Lewandowski, Wolfgang Semar und Christa Womser-Hacker. 7., völlig neu gefasste Ausg
  4. Option für Metager als Standardsuchmaschine, Suchmaschine nach dem Peer-to-Peer-Prinzip (2021) 0.01 
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    Content
    "Option für Metager als Standardsuchmaschine. Google wurde von der EU verordnet, auf Android-Smartphones bei Neukonfiguration eine Auswahl an Suchmaschinen anzubieten, die als Standardsuchmaschine eingerichtet werden können. Suchmaschinen konnten sich im Rahmen einer Auktion bewerben. Auch wir hatten am Auktionsverfahren teilgenommen, jedoch rein formell mit einem Gebot von null Euro. Nun wurde Google von der EU angewiesen, auf das wettbewerbsverzerrende Auktionsverfahren zu verzichten und alle angemeldeten Suchmaschinen als Option anzubieten. Auf Android ist es nun optional möglich, MetaGer als Standardsuchmaschine für den Bereich D/A/CH auszuwählen. Zwar werden nicht immer alle Suchmaschinen zur Auswahl angezeigt, aber das Zufallsprinzip sorgt immerhin dafür, dass jede Suchmaschine mit einer gewissen Wahrscheinlichkeit in der Liste zu finden ist.
    Auch auf dem Volla-Phone ist es bald möglich, MetaGer als Standardsuchmaschine zu wählen. Das Volla Phone ist ein Produkt von "Hallo Welt Systeme UG" in Remscheid. Die Entwickler des Smartphones verfolgen den Ansatz, möglichst wenig von der Aufmerksamkeit des Nutzers zu beanspruchen. Technik soll nicht ablenken und sich in der Vordergrund spielen, sondern als bloßes Werkzeug im Hintergrund bleiben. Durch Möglichkeiten wie detaillierter Datenschutzeinstellungen, logfreiem VPN, quelloffener Apps aus einem alternativen App Store wird zudem Schutz der Privatsphäre ermöglicht - ganz ohne Google-Dienste. Durch die Partnerschaft mit MetaGer können die Nutzer von Volla-Phone auch im Bereich Suchmaschine Privatsphärenschutz realisieren. Mehr unter: https://suma-ev.de/mit-metager-auf-dem-volla-phone-suchen/
    Fernsehfilm "Digitale Verlustzone". Der Dokumentarfilmer Andreas Orth hat im vorletzten Jahr eine Dokumentation über Digitalisierung gedreht. Das Ergebnis der Reportage "Digitale Verlustzone" wurde schon 2020 in der ARD gesendet. Nun wird der Film, in dem auch die Geschichte MetaGers ein Thema ist und MetaGer-Erfinder und Suchmaschinen-Pionier Dr. Wolfgang Sander-Beuermann interviewt wurde, auf NDR am 27. November wiederholt."
  5. Freistetter, F.: Vollkommen logisch (2020) 0.00 
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    Abstract
    Das Internet steckt voller Informationen. Um aber diejenigen zu finden, die einen wirklich interessieren, braucht man gute Suchmaschinen - und die richtige Mathematik.
  6. Leisinger, C.: Sobald die Konkurrenten eine faire Chance haben, wird Google auf einen Schlag 20 Prozent seines Marktanteils verlieren (2020) 0.00 
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    Abstract
    Gabriel Weinberg macht Google und Co. mit seiner Suchmaschine DuckDuckGo immer mehr Konkurrenz. Im Gespräch erklärt er, wieso er auf den diskreten Umgang mit persönlichen Daten so viel Wert legt und warum er vehement für regulatorische Eingriffe ist.
  7. Sander, M.; Cronimund, C.: Google anonym nutzen? : Wie ein Zürcher den Tech-Giganten austrickst (2021) 0.00 
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    Abstract
    Christoph Cronimund stört sich an der Marktmacht und den kommerziellen Interessen Googles. Alternative Anbieter genügen ihm nicht. Also hat er eine Lösung geschaffen.
  8. Meineck, S.: Gesichter-Suchmaschine PimEyes bricht das Schweigen : Neuer Chef (2022) 0.00 
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    Abstract
    PimEyes untergräbt die Anonymität von Menschen, deren Gesicht im Internet zu finden ist. Nach breiter Kritik hatte sich die polnische Suchmaschine auf die Seychellen abgesetzt. Jetzt hat PimEyes einen neuen Chef - und geht an die Öfffentlichkeit.
  9. Advanced online media use (2023) 0.00 
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    Abstract
    Ten recommendations for the advanced use of online media. Mit Links auf historische und weiterführende Beiträge.
  10. Kang, X.; Wu, Y.; Ren, W.: Toward action comprehension for searching : mining actionable intents in query entities (2020) 0.00 
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    Abstract
    Understanding search engine users' intents has been a popular study in information retrieval, which directly affects the quality of retrieved information. One of the fundamental problems in this field is to find a connection between the entity in a query and the potential intents of the users, the latter of which would further reveal important information for facilitating the users' future actions. In this article, we present a novel research method for mining the actionable intents for search users, by generating a ranked list of the potentially most informative actions based on a massive pool of action samples. We compare different search strategies and their combinations for retrieving the action pool and develop three criteria for measuring the informativeness of the selected action samples, that is, the significance of an action sample within the pool, the representativeness of an action sample for the other candidate samples, and the diverseness of an action sample with respect to the selected actions. Our experiment, based on the Action Mining (AM) query entity data set from the Actionable Knowledge Graph (AKG) task at NTCIR-13, suggests that the proposed approach is effective in generating an informative and early-satisfying ranking of potential actions for search users.
  11. Zeynali-Tazehkandi, M.; Nowkarizi, M.: ¬ A dialectical approach to search engine evaluation (2020) 0.00 
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    Abstract
    Evaluation of information retrieval systems is a fundamental topic in Library and Information Science. The aim of this paper is to connect the system-oriented and the user-oriented approaches to relevant philosophical schools. By reviewing the related literature, it was found that the evaluation of information retrieval systems is successful if it benefits from both system-oriented and user-oriented approaches (composite). The system-oriented approach is rooted in Parmenides' philosophy of stability (immovable) which Plato accepts and attributes to the world of forms; the user-oriented approach is rooted in Heraclitus' flux philosophy (motion) which Plato defers and attributes to the tangible world. Thus, using Plato's theory is a comprehensive approach for recognizing the concept of relevance. The theoretical and philosophical foundations determine the type of research methods and techniques. Therefore, Plato's dialectical method is an appropriate composite method for evaluating information retrieval systems.
  12. Ogden, J.; Summers, E.; Walker, S.: Know(ing) Infrastructure : the wayback machine as object and instrument of digital research (2023) 0.00 
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    Abstract
    From documenting human rights abuses to studying online advertising, web archives are increasingly positioned as critical resources for a broad range of scholarly Internet research agendas. In this article, we reflect on the motivations and methodological challenges of investigating the world's largest web archive, the Internet Archive's Wayback Machine (IAWM). Using a mixed methods approach, we report on a pilot project centred around documenting the inner workings of 'Save Page Now' (SPN) - an Internet Archive tool that allows users to initiate the creation and storage of 'snapshots' of web resources. By improving our understanding of SPN and its role in shaping the IAWM, this work examines how the public tool is being used to 'save the Web' and highlights the challenges of operationalising a study of the dynamic sociotechnical processes supporting this knowledge infrastructure. Inspired by existing Science and Technology Studies (STS) approaches, the paper charts our development of methodological interventions to support an interdisciplinary investigation of SPN, including: ethnographic methods, 'experimental blackbox tactics', data tracing, modelling and documentary research. We discuss the opportunities and limitations of our methodology when interfacing with issues associated with temporality, scale and visibility, as well as critically engage with our own positionality in the research process (in terms of expertise and access). We conclude with reflections on the implications of digital STS approaches for 'knowing infrastructure', where the use of these infrastructures is unavoidably intertwined with our ability to study the situated and material arrangements of their creation.
  13. Vegt, A. van der; Zuccon, G.; Koopman, B.: Do better search engines really equate to better clinical decisions? : If not, why not? (2021) 0.00 
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    Abstract
    Previous research has found that improved search engine effectiveness-evaluated using a batch-style approach-does not always translate to significant improvements in user task performance; however, these prior studies focused on simple recall and precision-based search tasks. We investigated the same relationship, but for realistic, complex search tasks required in clinical decision making. One hundred and nine clinicians and final year medical students answered 16 clinical questions. Although the search engine did improve answer accuracy by 20 percentage points, there was no significant difference when participants used a more effective, state-of-the-art search engine. We also found that the search engine effectiveness difference, identified in the lab, was diminished by around 70% when the search engines were used with real users. Despite the aid of the search engine, half of the clinical questions were answered incorrectly. We further identified the relative contribution of search engine effectiveness to the overall end task success. We found that the ability to interpret documents correctly was a much more important factor impacting task success. If these findings are representative, information retrieval research may need to reorient its emphasis towards helping users to better understand information, rather than just finding it for them.
  14. Sa, N.; Yuan, X.(J.): Improving the effectiveness of voice search systems through partial query modification (2022) 0.00 
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    Abstract
    This paper addresses the importance of improving the effectiveness of voice search systems through partial query modification. A user-centered experiment was designed to compare the effectiveness of an experimental system using partial query modification feature to a baseline system in which users could issue complete queries only, with 32 participants each searching on eight different tasks. The results indicate that the participants spent significantly more time preparing the modification but significantly less time speaking the modification by using the experimental system than by using the baseline system. The participants found that the experimental system (a) was more effective, (b) gave them more control, (c) was easier for the search tasks, and (d) saved them time than the baseline system. The results contribute to improving future voice search system design and benefiting the research community in general. System implications and future work were discussed.
  15. Sundin, O.; Lewandowski, D.; Haider, J.: Whose relevance? : Web search engines as multisided relevance machines (2022) 0.00 
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    Abstract
    This opinion piece takes Google's response to the so-called COVID-19 infodemic, as a starting point to argue for the need to consider societal relevance as a complement to other types of relevance. The authors maintain that if information science wants to be a discipline at the forefront of research on relevance, search engines, and their use, then the information science research community needs to address itself to the challenges and conditions that commercial search engines create in. The article concludes with a tentative list of related research topics.

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